(0 17 2)(1 9 7)(3 15 5)(4 12 6)(8 13 10)(11 19 16)(14 20 18)
ALLOWS (11/8)-SEQUENCE
1: (3 11 19)
(0 17 2)(1 9 7)(3 16 11 15 5)(4 12 6)(8 13 10)(14 20 18)(19)
2: (5 11 15)
(0 17 2)(1 9 7)(3 16 11)(4 12 6)(5)(8 13 10)(14 20 18)(15)(19)
3: (4 12 6)
(0 17 2)(1 9 7)(3 16 11)(4)(5)(6)(8 13 10)(12)(14 20 18)(15)(19)
4: (14 20 18)
(0 17 2)(1 9 7)(3 16 11)(4)(5)(6)(8 13 10)(12)(14)(15)(18)(19)(20)